The year 1937 in television involved some significant events.
Below is a list of television-related events in 1937.
- February 6 - The BBC Television Service drops the Baird system in favour of the Marconi-EMI 405 lines system.
- May - Gilbert Seldes becomes the first television critic, with his Atlantic Monthly article, the "Errors of Television".
- March 9 Experimental broadcasting from Shabolovka Ulitsa television center, in Moscow (USSR).
- May 12 - The BBC use their outside broadcast unit for the first time, to televise the coronation of King George VI. A fragment of this broadcast is one of the earliest surviving examples of British television — filmed off-screen at home by an engineer with an 8 mm cine camera. A short section of this footage was used in a programme during the week of the 1953 coronation of Queen Elizabeth II, and this latter programme survives in the BBC's archives.
- May 14 - The BBC broadcasts a thirty-minute excerpt of Twelfth Night, the first known instance of a Shakespeare play on television. Among the cast are Peggy Ashcroft and Greer Garson.
- May 15 - RCA demonstrates projection television, with images enlarged to 8 by 10 feet, at the Institute of Radio Engineers convention.
- June 21 - Wimbledon Championships (tennis) first televised by the BBC.
- July 10 - High definition television with 455 lines is first shown in France at the International Exposition, Paris.
- September - High definition television broadcasts are sent from a new 30 kW (peak power) transmitter below the Eiffel Tower in Paris.
- November 9 - Bell Telephone Laboratories transmits television signal of 800 kHz bandwidth on a coaxial cable laid between New York and Philadelphia.
- November 11 - The BBC broadcasts an adaptation of the World War I-set play Journey's End by R. C. Sherriff, starring Reginald Tate as Stanhope. Shown in commemoration of Armistice Day, it is the first time that a whole evening's programming has been given over to a single play.
- December 31 - 2,121 television sets have been sold in England.
- CBS announces their efforts to develop television broadcasts.